Process for preparing aldehydes

Details Process for preparing aldehydes Process for preparing aldehydes

1998-12-15

2000-02-15

Kumar, Shailendra

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568451, 502208, C07C 4550

Patent

active

060255293

ABSTRACT:
A process for preparing aldehydes by hydroformylation of olefins or olefinically unsaturated compounds in the presence of a catalyst of at least one rhodium compound and a nonaqueous ionic ligand liquid of the formula (Q.sup.+).sub.a A.sup.a-, where Q.sup.+ is a singly charged quaternary ammonium and/or phosphonium cation or the equivalent of a multiply charged ammonium and/or phosphonium cation and A.sup.a- is a sulfonated triarylphosphine.

REFERENCES:
patent: 3931332 (1976-01-01), Wilkes
patent: 3976703 (1976-08-01), Wilkes
patent: 4716250 (1987-12-01), Abatjoglou et al.
patent: 5874638 (1999-02-01), Chauvin et al.

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